@article{GDZPPN002299674, title = {S-hermitesche Rand-Eigenwertprobleme. III.}, journal = {Mathematische Annalen}, volume = {179}, year = {1968}, pages = {67-94}, url = {http://dml.mathdoc.fr/item/GDZPPN002299674} }
Schäfke, F.W.; SCHNEIDER, A. S-hermitesche Rand-Eigenwertprobleme. III.. Mathematische Annalen, Tome 179 (1968) pp. 67-94. http://gdmltest.u-ga.fr/item/GDZPPN002299674/